Asoccer team wins 65% of its matches, and 15% of its matches end in a draw. if the team is scheduled to play 20 matches, about how many matches
is it expected to lose?
oa 13
ob. 4
ос.
od. 1

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b